Help!!! Can my Gf gt pregnant?

I am 19 years old,and my girlfriend is of same age.Today around 3.pm i and my Girlfriend had .However their was a time when after giving myself few strokes on through hand,I inserted the same hand and finger into her and helped her masturbate,I did not at all during the entire act,But their was a transparent fluid which appeared like lubricant fluid.We did not have at all.And over Undergarments were on during entire act.Do u think Touching her after touching the lubricant fluid can make her pregnant?please Suggest i am getting worried.is their still time we can do something?I promise to never repeat this in future.But this time please provide me with an solution.